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Revista Colombiana de Biotecnología

versión impresa ISSN 0123-3475

Resumen

DURANGO BALLESTEROS, Éder  y  HUMANEZ ALVAREZ, Alicia. Rooting of cuttings of Sour cane (Cheilocostus speciosus. J. Koenig). Rev. colomb. biotecnol [online]. 2017, vol.19, n.2, pp.133-139. ISSN 0123-3475.  https://doi.org/10.15446/rev.colomb.biote.v19n2.70395.

The Caña Agria (Cheilocostus speciosus, J. Koenig) is a decorative floral plant, used in the production of handicrafts derived from the Cane Flecha (Gynerium sagittatum, Aubl.), in the municipalities of San Andrés de Sotavento and Túchin, department of Córdoba in Colombia, for its properties for the fiber whitening of Caña Flecha. Due to the scarce presence of Caña Agria plants in the indigenous reserves of Túchin and San Andrés de Sotavento, it was considered necessary to investigate new methods of propagation with the objective of forming seed banks that allow to increase the availability of plant material. To do this, stem cuttings of approximately 11 cm in length were selected, and the effect of three concentrations (0.0, 500 and 1000 mg L-1 of ANA) was evaluated on the rooting. The cuttings were placed in each concentration for 10 days, and after the time, they were transferred to trays with soil under semicontrolled conditions of temperature and humidity. 30 days after the transplant, the percentage of survival and rooting of the cuttings were established. As a result, it was found that ANA treatments increase root formation. The best treatment to root cuttings was the 500 mg L-1, with a percentage of rooting of 96% at 10 days after induction. On the other hand, the treatments corresponding to 0.0 mg L-1 and 1000 mg L-1 generated percentages of rooting of 24% and 70% respectively. The highest number of roots per plant with an average of 8.76 was obtained in the 500 mg L-1 ANA solution.

Palabras clave : auxin; fiber bleaching; buds; root; vegetative propagation.

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